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Eastport to Tasker Farm (Y170) Structure Replacement Project

Why Are We Doing This Project?

Recent inspections and engineering analysis of the Y170 transmission lines revealed that many of the structures are in poor condition due to their age, woodpecker damage, insect damage and pole rot.

This project will replace or remove 70 structures along the Y170 transmission line. These structures are 10 years old and of a wood monopole design; one will be removed and the remainder will be replaced with new weathered steel monopole structures.

Improvements are part of our ongoing investments to deliver reliable energy to our customers and communities.

Where Is the Work Being Done?

This work is taking place within our existing right-of-way (power line corridor). 

The Y170 wood structures were installed in 2013. This line is a 115kV transmission line that is 6.93 miles long and starts at our Eastport Substation in Rochester and passes through Rochester, Farmington, Milton and into our Tasker Farm Substation in Milton.

This transmission line crosses the following roads:


Spaulding Turnpike, Chestnut Hill Rd, Milton Rd, Jarvis Ave, Old Milton Rd, Cross Rd, Betts Rd


McKeagney Road


No crossroads.  Only structure 80 is in Farmington

When Is The Work Being Done?

  • Local permitting: Second - fourth quarter 2023
  • State permitting: Second - fourth quarter 2023
  • Federal permitting: Second - fourth quarter 2023
  • Construction start date: February 2024
  • Projected in-service date: Third quarter 2024 (anticipated)
  • Restoration completion: Second and third quarter 2024 (earlier, where possible)

Construction Updates

See the construction fact sheet for details about each construction activity.

Community Outreach

We're committed to engaging municipal officials, residents, businesses, community groups and other stakeholders about upcoming project activities through municipal briefings, mailings, site meetings, virtual meetings and door-to-door outreach.

We utilize a variety of outreach methods to ensure that all customers and property owners along our transmission lines receive adequate and timely information about our projects. For this Project, we will be sending periodic updates as letters mailed directly to all stakeholders, as well as a combination of the following additional methods:

  • Door-to-door outreach
  • Site visits (upon request)
  • Virtual meetings (upon request)
  • Signage placed strategically near construction areas or in residential areas
  • Regular field presence to ensure the safety of our customers, nearby property owners, and our construction crews
  • Read the project introduction letter
  • Read the start of construction letter

Commitment to Safety

We take every safety precaution while working in local communities, and all people working on the construction project carry identification. The project work will not interrupt electric service to homes or businesses.

Have Questions?

Keeping the lines of communication open is an important part of our work in your community.

For questions or more information about the project, please contact us at 888-926-5334 or